Home / 2,819,372.80-3,890,635.68-1,530,187.36

Finding the Fourth Proportional to 2,819,372.80, 3,890,635.68 and 1,530,187.36

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Solution

The fourth proportional to 2,819,372.80, 3,890,635.68 and 1,530,187.36 is: 2,111,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,372.80 : 3,890,635.68 = 1,530,187.36 : x
  2. Step 2: Convert to fraction form
    2,819,372.80/3,890,635.68 = 1,530,187.36/x
  3. Step 3: Cross multiply
    2,819,372.80x = 3,890,635.68 × 1,530,187.36
  4. Step 4: Simplify right side
    2,819,372.80x = 5,953,401,539,901.01
  5. Step 5: Solve for x
    x = 5,953,401,539,901.01/2,819,372.80
  6. Step 6: Final answer
    x = 2,111,604.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.